[INFO] fetching crate serenity_utils 0.6.1...
[INFO] testing serenity_utils-0.6.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate serenity_utils 0.6.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate serenity_utils 0.6.1 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serenity_utils 0.6.1
[INFO] finished tweaking crates.io crate serenity_utils 0.6.1
[INFO] tweaked toml for crates.io crate serenity_utils 0.6.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d94bf14d8bb1822be736731ca18a7255e8ea49f2f6080b65cf9f3c953d8bb7d5
[INFO] running `Command { std: "docker" "start" "-a" "d94bf14d8bb1822be736731ca18a7255e8ea49f2f6080b65cf9f3c953d8bb7d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d94bf14d8bb1822be736731ca18a7255e8ea49f2f6080b65cf9f3c953d8bb7d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d94bf14d8bb1822be736731ca18a7255e8ea49f2f6080b65cf9f3c953d8bb7d5", kill_on_drop: false }`
[INFO] [stdout] d94bf14d8bb1822be736731ca18a7255e8ea49f2f6080b65cf9f3c953d8bb7d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dfad3796e7ca16b59995b9b0fd7835735d949db548e2f5772145dc4973a2aff2
[INFO] running `Command { std: "docker" "start" "-a" "dfad3796e7ca16b59995b9b0fd7835735d949db548e2f5772145dc4973a2aff2", kill_on_drop: false }`
[INFO] [stderr]    Compiling serenity v0.10.9
[INFO] [stderr]    Compiling typemap_rev v0.1.5
[INFO] [stderr]    Compiling tokio v1.11.0
[INFO] [stderr]    Compiling input_buffer v0.3.1
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling tracing v0.1.26
[INFO] [stderr]    Compiling pin-project v1.0.8
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling tungstenite v0.11.1
[INFO] [stderr]    Compiling webpki v0.21.4
[INFO] [stderr]    Compiling sct v0.6.1
[INFO] [stderr]    Compiling rustls v0.19.1
[INFO] [stderr]    Compiling webpki-roots v0.20.0
[INFO] [stderr]    Compiling webpki-roots v0.21.1
[INFO] [stderr]    Compiling futures v0.3.17
[INFO] [stderr]    Compiling tokio-util v0.6.8
[INFO] [stderr]    Compiling tokio-rustls v0.22.0
[INFO] [stderr]    Compiling async-tungstenite v0.11.0
[INFO] [stderr]    Compiling h2 v0.3.4
[INFO] [stderr]    Compiling hyper v0.14.12
[INFO] [stderr]    Compiling hyper-rustls v0.22.1
[INFO] [stderr]    Compiling reqwest v0.11.4
[INFO] [stderr]    Compiling serenity_utils v0.6.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 08s
[INFO] running `Command { std: "docker" "inspect" "dfad3796e7ca16b59995b9b0fd7835735d949db548e2f5772145dc4973a2aff2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfad3796e7ca16b59995b9b0fd7835735d949db548e2f5772145dc4973a2aff2", kill_on_drop: false }`
[INFO] [stdout] dfad3796e7ca16b59995b9b0fd7835735d949db548e2f5772145dc4973a2aff2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a27438f2d657e694e54bd1cc44426c26ac8a948460f2978f1b4c3d6b819f4091
[INFO] running `Command { std: "docker" "start" "-a" "a27438f2d657e694e54bd1cc44426c26ac8a948460f2978f1b4c3d6b819f4091", kill_on_drop: false }`
[INFO] [stderr]    Compiling serenity_utils v0.6.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.56s
[INFO] running `Command { std: "docker" "inspect" "a27438f2d657e694e54bd1cc44426c26ac8a948460f2978f1b4c3d6b819f4091", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a27438f2d657e694e54bd1cc44426c26ac8a948460f2978f1b4c3d6b819f4091", kill_on_drop: false }`
[INFO] [stdout] a27438f2d657e694e54bd1cc44426c26ac8a948460f2978f1b4c3d6b819f4091
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2227a604cb96f56b673d98ed1acd19b2c6f7dce55977a5e4bc1ae67be139c2c7
[INFO] running `Command { std: "docker" "start" "-a" "2227a604cb96f56b673d98ed1acd19b2c6f7dce55977a5e4bc1ae67be139c2c7", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/serenity_utils-2296341511e98b23)
[INFO] [stderr]      Running tests/test_builder.rs (/opt/rustwide/target/debug/deps/test_builder-b6783e39a19ca4cf)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stderr]      Running tests/test_formatting.rs (/opt/rustwide/target/debug/deps/test_formatting-5f6ff47db7d67593)
[INFO] [stdout] test test_to_create_embed ... ok
[INFO] [stdout] test test_to_create_embed_author ... ok
[INFO] [stdout] test test_to_edit_message ... ok
[INFO] [stdout] test test_to_create_embed_footer ... ok
[INFO] [stdout] test test_to_create_message ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_pagify ... ok
[INFO] [stdout] test test_escape_mass_mentions ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests serenity_utils
[INFO] [stdout] 
[INFO] [stdout] running 31 tests
[INFO] [stdout] test src/builder/prelude.rs - builder::prelude (line 9) - compile ... ok
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name serenity_utils --test /opt/rustwide/workdir/src/lib.rs -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps -L native=/opt/rustwide/target/debug/build/ring-26cd1457f34a97e6/out --extern serenity=/opt/rustwide/target/debug/deps/libserenity-9ec7e2b61b34d920.rlib --extern serenity_utils=/opt/rustwide/target/debug/deps/libserenity_utils-4645ba07310aedac.rlib --extern tokio=/opt/rustwide/target/debug/deps/libtokio-b1eaf275bc7bf233.rlib -C embed-bitcode=no --cfg 'feature="cache"' --cfg 'feature="default"' --cfg 'feature="rustls_backend"' --cfg 'feature="tokio"' --error-format human` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "2227a604cb96f56b673d98ed1acd19b2c6f7dce55977a5e4bc1ae67be139c2c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2227a604cb96f56b673d98ed1acd19b2c6f7dce55977a5e4bc1ae67be139c2c7", kill_on_drop: false }`
[INFO] [stdout] 2227a604cb96f56b673d98ed1acd19b2c6f7dce55977a5e4bc1ae67be139c2c7